RANKING · 2020 CENSUS · 56 SHOWN OF 56

Highest Puerto Rican population share, California counties · 2020

California counties ranked by the share of all residents who are Puerto Rican origin (2020 American Community Survey). A concentration measure: Puerto Rican residents as a percentage of total population. This list covers the 56 counties in California that qualify, ranked against each other statewide. The median across all 56 is 0.4%.

Puerto Rican Americans: full group profile →

CaliforniaAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPPUERTO RICAN SHAREVS 2010

01San Benito County, CACA70,0821.3%+1.1 pts

02Solano County, CACA455,3761.1%+0.3 pts

03Yuba County, CACA88,6910.9%+0.4 pts

04San Bernardino County, CACA2,224,0910.9%+0.2 pts

05Contra Costa County, CACA1,170,0700.9%+0.3 pts

06Alameda County, CACA1,636,6300.8%0.0 pts

07Sacramento County, CACA1,618,4600.8%+0.2 pts

08San Diego County, CACA3,282,2480.8%+0.2 pts

09San Joaquin County, CACA823,8150.8%+0.1 pts

10Placer County, CACA442,0810.7%+0.3 pts

11Riverside County, CACA2,544,9160.7%+0.1 pts

12Stanislaus County, CACA557,7190.7%0.0 pts

13Mariposa County, CACA16,9180.7%–

14Napa County, CACA132,9490.6%+0.4 pts

15Plumas County, CACA18,5830.6%+0.5 pts

16Monterey County, CACA433,7290.6%+0.1 pts

17San Francisco County, CACA826,0790.6%+0.1 pts

18Kern County, CACA927,0680.5%+0.1 pts

19Del Norte County, CACA26,4100.5%+0.2 pts

20San Mateo County, CACA743,5680.5%−0.1 pts

21Santa Clara County, CACA1,914,3910.5%+0.1 pts

22Los Angeles County, CACA9,694,9340.5%0.0 pts

23Sutter County, CACA98,7870.5%+0.1 pts

24Sonoma County, CACA486,4440.5%+0.1 pts

25El Dorado County, CACA192,3230.5%+0.2 pts

26Tuolumne County, CACA53,1600.5%+0.2 pts

27Yolo County, CACA224,4100.5%−0.1 pts

28Amador County, CACA41,8760.4%+0.1 pts

29San Luis Obispo County, CACA282,3670.4%+0.2 pts

30Santa Barbara County, CACA442,0650.4%+0.1 pts

31Ventura County, CACA830,8510.4%+0.1 pts

32Mendocino County, CACA88,1220.4%+0.2 pts

33Kings County, CACA154,3270.4%−0.1 pts

34Orange County, CACA3,149,5070.4%0.0 pts

35Imperial County, CACA181,4110.4%+0.1 pts

36Humboldt County, CACA131,6470.4%+0.3 pts

37Nevada County, CACA101,9110.4%−0.3 pts

38Fresno County, CACA1,035,4560.4%+0.1 pts

39Butte County, CACA209,2110.4%0.0 pts

40Shasta County, CACA181,6480.3%+0.1 pts

41Siskiyou County, CACA42,0130.3%+0.2 pts

42Santa Cruz County, CACA258,8520.3%+0.2 pts

43Tulare County, CACA485,1460.3%0.0 pts

44Marin County, CACA253,6940.3%−0.1 pts

45Glenn County, CACA28,1410.3%0.0 pts

46Madera County, CACA167,9270.3%−0.2 pts

47Calaveras County, CACA46,6050.2%+0.2 pts

48Merced County, CACA297,2600.2%−0.1 pts

49Inyo County, CACA18,1580.2%0.0 pts

50Colusa County, CACA21,8360.2%−0.1 pts

51Lake County, CACA67,7720.1%−0.3 pts

52Modoc County, CACA8,4260.1%+0.1 pts

53Mono County, CACA12,5050.1%0.0 pts

54Tehama County, CACA64,6650.1%−0.2 pts

55Lassen County, CACA28,1170.1%−0.6 pts

56Trinity County, CACA15,7200.0%−0.2 pts

SHOWING 1–56 OF 56

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS